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Finding the Fourth Proportional to 6,492.55, 8,962.10 and 4,339.57

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Solution

The fourth proportional to 6,492.55, 8,962.10 and 4,339.57 is: 5,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.55 : 8,962.10 = 4,339.57 : x
  2. Step 2: Convert to fraction form
    6,492.55/8,962.10 = 4,339.57/x
  3. Step 3: Cross multiply
    6,492.55x = 8,962.10 × 4,339.57
  4. Step 4: Simplify right side
    6,492.55x = 38,891,660.30
  5. Step 5: Solve for x
    x = 38,891,660.30/6,492.55
  6. Step 6: Final answer
    x = 5,990.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.